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Finding the Fourth Proportional to 17,961.63, 26,944.07 and 8,606.13

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Solution

The fourth proportional to 17,961.63, 26,944.07 and 8,606.13 is: 12,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.63 : 26,944.07 = 8,606.13 : x
  2. Step 2: Convert to fraction form
    17,961.63/26,944.07 = 8,606.13/x
  3. Step 3: Cross multiply
    17,961.63x = 26,944.07 × 8,606.13
  4. Step 4: Simplify right side
    17,961.63x = 231,884,126.12
  5. Step 5: Solve for x
    x = 231,884,126.12/17,961.63
  6. Step 6: Final answer
    x = 12,909.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.